Search a number
-
+
27051658808 = 236143550457
BaseRepresentation
bin11001001100011001…
…111000111000111000
32120211021110122121012
4121030121320320320
5420400211040213
620232150533052
71645236206636
oct311431707070
976737418535
1027051658808
1110521a57719
1252ab667188
1327215ca005
141448a4c356
15a84d8b4a8
hex64c678e38

27051658808 has 16 divisors (see below), whose sum is σ = 50730209280. Its totient is φ = 13523603008.

The previous prime is 27051658807. The next prime is 27051658813. The reversal of 27051658808 is 80885615072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27051658807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226085 + ... + 324372.

It is an arithmetic number, because the mean of its divisors is an integer number (3170638080).

Almost surely, 227051658808 is an apocalyptic number.

It is an amenable number.

27051658808 is a deficient number, since it is larger than the sum of its proper divisors (23678550472).

27051658808 is a wasteful number, since it uses less digits than its factorization.

27051658808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556606 (or 556602 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 27051658808 in words is "twenty-seven billion, fifty-one million, six hundred fifty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 6143 12286 24572 49144 550457 1100914 2201828 4403656 3381457351 6762914702 13525829404 27051658808